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claude-noether 4d98a8169d fleet/ohm + patches/driver/bes2600/queue-pending-record-lock-bh-danctnix: bundle besser#18 fix into the migration

Pulls the besser#18 lockdep fix (originally on
noether/bes2600-pending-record-lock-bh / PR #30) into this PR so the
ohm migration ships a single self-consistent pkgrel that contains all
three goal components: kernel-agent flow + Patch I + besser#18 fix
(plus the GCC 15 SCS Makefile workaround, no-op while SCS=n).

ohm.yaml includes now resolve to 4 patches:
  1. driver/bes2600/cumulative-c5x-danctnix/             (148 149 B)
  2. driver/bes2600/scan-filter-5ghz-danctnix/           (  7 735 B)
  3. arch/arm64/xor-neon-ffixed-x18-scs-build-fix-danctnix/ (1 562 B)
  4. driver/bes2600/queue-pending-record-lock-bh-danctnix/  (5 258 B)
  ----
  cumulative.patch                                       (162 704 B)
  b2sum 0eb091ddaba4a8f1c3c2a78eb8c621cdc6e6dfed6c43f7dac03e508a05b...

Trailer-strip applied to the besser#18 patch source for the same
reason as the SCS patch — it's now the last in the concatenated
cumulative, and patch(1) errors on the orphan '-- \n2.54.0\n' EOF
sentinel. Same gotcha documented in 84734ba.

PR #30 (the standalone besser#18 mirror PR) becomes superfluous
once this lands; close it as 'bundled into #28'.

2026-05-18 18:01:41 +02:00

0001-bes2600-take-pending-record-lock-with-bh.patch

fleet/ohm + patches/driver/bes2600/queue-pending-record-lock-bh-danctnix: bundle besser#18 fix into the migration

2026-05-18 18:01:41 +02:00

README.md

fleet/ohm + patches/driver/bes2600/queue-pending-record-lock-bh-danctnix: bundle besser#18 fix into the migration

2026-05-18 18:01:41 +02:00

README.md

queue-pending-record-lock-bh-danctnix — close besser#18

Converts pending_record_lock to spin_lock_bh() at the 5 sites where it is taken in non-BH-disabled contexts (bes2600_queue_get_skb called from bes2600_join_work, and bes2600_tx_loop_item_pending_check).

Eliminates the PROVE_LOCKING SOFTIRQ-safe → SOFTIRQ-unsafe warning reported in besser#18: &queue->lock (taken with _bh everywhere, including the nested acquisition at queue.c:289 that holds pending_record_lock as inner) was registered SOFTIRQ-irq-safe by lockdep, but pending_record_lock was sometimes taken without BH disable, creating an AB-BA deadlock window.

Provenance:

Source-of-truth commit on marfrit/bes2600-dkms branch bes2600/queue-pending-record-lock-bh-fix, commit d95453c.
This file is the same commit's git format-patch output with the DKMS-style bes2600/foo.c paths rewritten to in-tree drivers/staging/bes2600/foo.c paths via sed.